diff --git a/.gitignore b/.gitignore
index 8ed22e9..4f03f5a 100755
--- a/.gitignore
+++ b/.gitignore
@@ -23,6 +23,7 @@ src/menu/a.out
 src/color/_build
 src/turtle/_build
 src/temp
+src/le
 
 html/*
 latex/*
diff --git a/gfm/sec12.md b/gfm/sec12.md
index 339fcc8..1a486e9 100644
--- a/gfm/sec12.md
+++ b/gfm/sec12.md
@@ -160,20 +160,20 @@ The error is managed only in the TfeTextView instance and no information is noti
  4   GFile *file;
  5   GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (tv), GTK_TYPE_WINDOW);
  6 
- 7   gtk_window_destroy (GTK_WINDOW (dialog));
- 8   if (response == GTK_RESPONSE_ACCEPT) {
- 9     file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-10     if (! G_IS_FILE (file))
-11       g_warning ("TfeTextView: gtk_file_chooser_get_file returns non GFile object.\n");
-12     else {
-13       save_file(file, tb, GTK_WINDOW (win));
-14       if (G_IS_FILE (tv->file))
-15         g_object_unref (tv->file);
-16       tv->file = file;
-17       gtk_text_buffer_set_modified (tb, FALSE);
-18       g_signal_emit (tv, tfe_text_view_signals[CHANGE_FILE], 0);
-19     }
-20   }
+ 7   if (response == GTK_RESPONSE_ACCEPT) {
+ 8     file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
+ 9     if (! G_IS_FILE (file))
+10       g_warning ("TfeTextView: gtk_file_chooser_get_file returns non GFile object.\n");
+11     else {
+12       save_file(file, tb, GTK_WINDOW (win));
+13       if (G_IS_FILE (tv->file))
+14         g_object_unref (tv->file);
+15       tv->file = file;
+16       gtk_text_buffer_set_modified (tb, FALSE);
+17       g_signal_emit (tv, tfe_text_view_signals[CHANGE_FILE], 0);
+18     }
+19   }
+20   gtk_window_destroy (GTK_WINDOW (dialog));
 21 }
 22 
 23 void
diff --git a/gfm/sec15.md b/gfm/sec15.md
index d88efaf..f60004f 100644
--- a/gfm/sec15.md
+++ b/gfm/sec15.md
@@ -545,20 +545,20 @@ It is a good practice for you to add more features.
 101   GFile *file;
 102   GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (tv), GTK_TYPE_WINDOW);
 103 
-104   gtk_window_destroy (GTK_WINDOW (dialog));
-105   if (response == GTK_RESPONSE_ACCEPT) {
-106     file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-107     if (! G_IS_FILE (file))
-108       g_warning ("TfeTextView: gtk_file_chooser_get_file returns non GFile object.\n");
-109     else {
-110       save_file(file, tb, GTK_WINDOW (win));
-111       if (G_IS_FILE (tv->file))
-112         g_object_unref (tv->file);
-113       tv->file = file;
-114       gtk_text_buffer_set_modified (tb, FALSE);
-115       g_signal_emit (tv, tfe_text_view_signals[CHANGE_FILE], 0);
-116     }
-117   }
+104   if (response == GTK_RESPONSE_ACCEPT) {
+105     file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
+106     if (! G_IS_FILE (file))
+107       g_warning ("TfeTextView: gtk_file_chooser_get_file returns non GFile object.\n");
+108     else {
+109       save_file(file, tb, GTK_WINDOW (win));
+110       if (G_IS_FILE (tv->file))
+111         g_object_unref (tv->file);
+112       tv->file = file;
+113       gtk_text_buffer_set_modified (tb, FALSE);
+114       g_signal_emit (tv, tfe_text_view_signals[CHANGE_FILE], 0);
+115     }
+116   }
+117   gtk_window_destroy (GTK_WINDOW (dialog));
 118 }
 119 
 120 void
diff --git a/gfm/sec20.md b/gfm/sec20.md
index 8865b00..345d58c 100644
--- a/gfm/sec20.md
+++ b/gfm/sec20.md
@@ -705,7 +705,7 @@ But in the future version, it will probably need details.
 - 209-212: `tfe_window_new`.
 This function creates TfeWindow instance.
 
-## GtkApplication
+## TfeApplication
 
 The file `tfeapplication.c` is now very simple.
 
diff --git a/src/sec20.src.md b/src/sec20.src.md
index 238de9a..ad8be17 100644
--- a/src/sec20.src.md
+++ b/src/sec20.src.md
@@ -225,7 +225,7 @@ But in the future version, it will probably need details.
 - 209-212: `tfe_window_new`.
 This function creates TfeWindow instance.
 
-## GtkApplication
+## TfeApplication
 
 The file `tfeapplication.c` is now very simple.
 
diff --git a/src/tfetextview/tfetextview.c b/src/tfetextview/tfetextview.c
index 964945d..dba2542 100644
--- a/src/tfetextview/tfetextview.c
+++ b/src/tfetextview/tfetextview.c
@@ -101,7 +101,6 @@ saveas_dialog_response (GtkWidget *dialog, gint response, TfeTextView *tv) {
   GFile *file;
   GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (tv), GTK_TYPE_WINDOW);
 
-  gtk_window_destroy (GTK_WINDOW (dialog));
   if (response == GTK_RESPONSE_ACCEPT) {
     file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
     if (! G_IS_FILE (file))
@@ -115,6 +114,7 @@ saveas_dialog_response (GtkWidget *dialog, gint response, TfeTextView *tv) {
       g_signal_emit (tv, tfe_text_view_signals[CHANGE_FILE], 0);
     }
   }
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 void